CN112089185A

CN112089185A - Dustproof heat dissipation table of notebook

Info

Publication number: CN112089185A
Application number: CN202011002910.5A
Authority: CN
Inventors: 梁福元
Original assignee: Tianjin Youqin Computer Co ltd
Current assignee: Tianjin Youqin Computer Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-18

Abstract

The invention discloses a dustproof heat dissipation desk for a notebook computer, which comprises a box body, wherein a control cavity is arranged in the box body, and a desk plate lifting mechanism is arranged in the control cavity.

Description

Dustproof heat dissipation table of notebook

Technical Field

The invention relates to the field related to electronic radiators, in particular to a dustproof heat dissipation table for a notebook computer.

Background

As is well known, a notebook computer heat sink is a fan device that blows heat directly towards the bottom of a notebook computer, forcibly blows out the heat of the notebook computer, introduces cold air, increases the air flow at the bottom of the notebook computer, thereby cooling each heating element inside the notebook computer, but the current notebook computer heat sink is often large in size and troublesome to store, and places the notebook computer and the heat sink again every time, because the airflow flow around the notebook computer is enhanced, a large amount of dust is often caused to enter the notebook computer to block the air duct, and the noise is large, and because of lacking of a fixing device, the notebook computer in an inclined state is easily knocked over, so a dustproof heat sink table for the notebook computer needs to be designed to solve the above problems.

Disclosure of Invention

The invention aims to provide a dustproof heat dissipation table for a notebook computer, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme. The dustproof heat dissipation table for the notebook computer comprises a box body, wherein a control cavity is formed in the box body; a table plate lifting mechanism is arranged in the control cavity, a supporting plate is fixedly arranged at the lower end of the control cavity, an air inlet partition plate is fixedly arranged between the upper end and the lower end of the control cavity, an air inlet box is fixedly arranged at the left end of the air inlet partition plate, front and rear symmetrical L-shaped blocks are fixedly arranged at the front and rear ends of the control cavity, an L-shaped chute is arranged on the L-shaped block, a first slide block is arranged in the L-shaped chute in a sliding manner, a first spring is connected between the right end of the first slide block and the right end of the control cavity, a movable table plate is fixedly arranged at the upper end of the first slide block, a vertical block, a second hydraulic cylinder, a first hydraulic cylinder, a chute fixing block, a power motor and a gearbox are fixedly arranged at the lower end of the control cavity from left to right in sequence, a power motor shaft is rotatably arranged at the, a rope wheel shaft is rotatably arranged at the right end of the gearbox, a rope collecting wheel is fixedly arranged at the right end of the rope wheel shaft, a first fixed block is fixedly arranged at the right end of the control cavity, a roller shaft is fixedly arranged on the first fixed block, a first roller is rotatably arranged on the roller shaft, a pull rope which bypasses the first roller is connected between the first sliding block and the rope collecting wheel, a rack bar sliding groove is arranged in the sliding groove fixed block, a hydraulic rack bar is slidably arranged in the rack bar sliding groove and can be meshed with the sector gear, a first hydraulic cavity is arranged in the first hydraulic cylinder and is filled with hydraulic oil, a first hydraulic sliding block is slidably arranged in the first hydraulic cavity, the lower end of the first hydraulic sliding block is fixedly connected with the hydraulic rack bar, and an oil pipe is connected between the second hydraulic cylinder and the first hydraulic cylinder, a second hydraulic sliding block is arranged in a cavity of the second hydraulic cylinder in a sliding mode, a push plate is fixedly arranged at the upper end of the second hydraulic sliding block, a bevel gear shaft is arranged on the rear end wall of the control cavity in a rotating mode, a second bevel gear and a second belt pulley are sequentially and fixedly arranged on the bevel gear shaft from front to back, the second bevel gear can be meshed with the first bevel gear, a cam shaft is arranged at the front end of the control cavity in a rotating mode, a first belt pulley and a cam shaft are sequentially and fixedly arranged on the cam shaft from front to back, a first belt is connected between the first belt pulley and the second belt pulley, a vertical sliding groove is formed in the front end of the vertical block, a vertical sliding block is arranged in the vertical sliding groove in a sliding mode, a first hinged shaft is fixedly arranged at the front end of the vertical block, a telescopic frame is hinged to the first hinged shaft, a second hinged shaft is hinged to the, rotate on the second articulated shaft and be equipped with the second gyro wheel, the camshaft rotates and to promote the second gyro wheel reciprocates, the articulated third articulated shaft that is equipped with in expansion bracket upper end, the control chamber rear end is equipped with the lift spout, it is equipped with the lifter plate to slide in the lift spout, the box upper end is equipped with the rectangle opening, the lifter plate can be followed stretch out in the rectangle opening, the lifter plate lower extreme with the third articulated shaft is articulated.

Preferably, the lifting plate is internally provided with a positioning cavity, the lower end of the positioning cavity is provided with positioning blocks which are bilaterally symmetrical, the positioning blocks are provided with a plurality of positioning grooves, the upper end of the positioning cavity is fixedly provided with positioning fixing blocks which are bilaterally symmetrical and a containing block, the positioning fixing blocks are fixedly provided with positioning shafts, the positioning shafts are hinged to the positioning shafts, the rear ends of the positioning rods can be clamped on the containing block, an angle adjusting shaft is fixedly arranged between the left end wall and the right end wall of the lifting plate, the angle adjusting shaft is hinged to an angle adjusting plate, an angle adjusting mechanism is arranged in the angle adjusting plate, the upper end of the angle adjusting plate is fixedly provided with an iron net, the front end of the angle adjusting plate is fixedly provided with a front baffle, the lower end of the inner cavity of the angle adjusting plate is fixedly provided with a bilaterally symmetrical adjusting fixing plate, the angle adjustment board inner chamber lower extreme is equipped with bilateral symmetry's tight spout of clamp, it is equipped with tight piece of clamp to slide in pressing from both sides tight spout, press from both sides tight piece with first connecting rod fixed connection, it is equipped with T type pole to slide on the iron net, T type pole lower extreme with it is equipped with the second spring to connect between the iron net lower extreme, T type pole lower extreme is fixed and is equipped with the fifth articulated shaft, the fourth articulated shaft with it is equipped with the second connecting rod to articulate between the fifth articulated shaft.

But preferred the fixed dust screen that is equipped with of air inlet case lower extreme, the air inlet chamber that contains in the air inlet case, the air inlet intracavity is equipped with dust removal air supply mechanism, the fixed sound cotton of inhaling that is equipped with in air inlet chamber upper end, the fixed support that is equipped with between the end wall about the air inlet chamber, the fixed air inlet motor that is equipped with on the support, the fixed friction ring that is equipped with of support lower extreme, the rotation of air inlet motor lower extreme is equipped with the air inlet motor shaft, air inlet motor shaft from the top down is fixed flabellum, electrostatic friction piece in proper order, electrostatic friction piece can with friction ring inner end rotational friction produces static, the air inlet case with it is equipped with the tuber pipe to.

The invention has the beneficial effects that: the novel notebook computer air inlet device is simple in structure and easy and convenient to operate, a student only needs to place a notebook computer in a corresponding area, the novel notebook computer air inlet device can automatically clamp the notebook computer, the notebook computer cannot be knocked over when a rotatable bottom plate of the heat dissipation table rotates for a certain angle to be used, the air inlet device can filter and remove dust through electrostatic adsorption, the heat dissipation table blows air to the notebook computer air inlet to be almost dust-free, the internal cleanness of the notebook computer is guaranteed, sound absorption cotton in an air duct can effectively absorb noise, the lifting mechanism can be convenient for a user to store the notebook computer again after the user uses the notebook computer each time, and the table plate is lifted after the notebook computer is directly placed in the table, so that a clean and tidy table.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure A-A of FIG. 1;

FIG. 3 is an enlarged schematic view of B of FIG. 1;

FIG. 4 is an enlarged schematic view of C in FIG. 1;

fig. 5 is a schematic diagram of the structure D-D in fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-5, the dustproof heat dissipation desk for notebook computer comprises a box body 10, a control chamber 11 is included in the box body 10, a desk plate lifting mechanism 99 is arranged in the control chamber 11, a supporting plate 16 is fixedly arranged at the lower end of the control chamber 11, an air inlet partition plate 83 is fixedly arranged between the upper end and the lower end of the control chamber 11, an air inlet box 12 is fixedly arranged at the left end of the air inlet partition plate 83, L-shaped blocks 24 which are symmetrical front and back are fixedly arranged at the front end and the rear end of the control chamber 11, an L-shaped chute 25 is arranged on the L-shaped blocks 24, a first sliding block 26 is slidably arranged in the L-shaped chute 25, a first spring 27 is connected between the right end of the first sliding block 26 and the right end of the control chamber 11, a movable desk plate 23 is fixedly arranged at the upper end of the first sliding block 26, and a vertical block 54, a, The hydraulic control device comprises a chute fixing block 85, a power motor 35 and a gearbox 34, wherein the left end and the right end of the power motor 35 are rotatably provided with a power motor shaft 62, the power motor shaft 62 is sequentially and fixedly provided with a first bevel gear 63 and a sector gear 88 from left to right, the right end of the power motor shaft 62 is in rotating fit with the gearbox 34, the right end of the gearbox 34 is rotatably provided with a rope wheel shaft 33, the right end of the rope wheel shaft 33 is fixedly provided with a rope collecting wheel 32, the right end of a control cavity 11 is fixedly provided with a first fixing block 30, the first fixing block 30 is fixedly provided with a roller shaft 29, the roller shaft 29 is rotatably provided with a first roller 28, a pull rope 31 bypassing the first roller 28 is connected between a first sliding block 26 and the rope collecting wheel 32, a rack bar chute 86 is arranged in the chute 85, a hydraulic rack bar 87 is slidably arranged in the rack bar chute 86, be equipped with first hydraulic pressure chamber 69 in the first pneumatic cylinder 68, be full of hydraulic oil in the first hydraulic pressure chamber 69, it is equipped with first hydraulic pressure slider 67 to slide in the first hydraulic pressure chamber 69, first hydraulic pressure slider 67 lower extreme with hydraulic pressure rack bar 87 fixed connection, second hydraulic cylinder 71 with it is equipped with oil pipe 70 to connect between the first pneumatic cylinder 68, the cavity internal slip of second hydraulic cylinder 71 is equipped with second hydraulic pressure slider 72, the fixed push pedal 73 that is equipped with in second hydraulic pressure slider 72 upper end, it is equipped with bevel gear axle 65 to rotate on the wall of control chamber 11 rear end, bevel gear axle 65 is fixed second bevel gear 66, second belt pulley 64 from the front to the back in proper order, second bevel gear 66 can with first bevel gear 63 meshes, 11 front ends in control chamber rotate and are equipped with camshaft 47, camshaft 47 is fixed being equipped with first belt pulley 46 in the front to the back in proper order, A camshaft 50, a first belt 45 is connected between the first belt pulley 46 and the second belt pulley 64, a vertical sliding groove 55 is arranged at the front end of the vertical block 54, a vertical sliding block 53 is slidably arranged in the vertical sliding groove 55, a first hinge shaft 48 is fixedly arranged at the front end of the vertical block 54, a telescopic frame 49 is hinged on the first hinge shaft 48, a second hinge shaft 51 is hinged on the telescopic frame 49, the rear end of the second hinge shaft 51 is fixedly connected with the front end of the vertical sliding block 53, a second roller 52 is rotatably arranged on the second hinge shaft 51, the camshaft 50 can push the second roller 52 to move up and down by rotating, a third hinge shaft 56 is hinged at the upper end of the telescopic frame 49, a lifting sliding groove 84 is arranged at the rear end of the control cavity 11, a lifting plate 37 is slidably arranged in the lifting sliding groove 84, and a rectangular opening 36 is arranged at the upper end of the box body 10, the lifting plate 37 can protrude from the rectangular opening 36, and the lower end of the lifting plate 37 is hinged to the third hinge shaft 56.

Beneficially, a positioning cavity 80 is formed in the lifting plate 37, bilateral symmetry positioning blocks 74 are arranged at the lower end of the positioning cavity 80, a plurality of positioning grooves 75 are formed in the positioning blocks 74, bilateral symmetry positioning fixing blocks 79 and storage blocks 77 are fixedly arranged at the upper end of the positioning cavity 80, a positioning shaft 78 is fixedly arranged on the positioning fixing blocks 79, a positioning rod 76 is hinged to the positioning shaft 78, the rear end of the positioning rod 76 can be clamped on the storage blocks 77, an angle adjusting shaft 40 is fixedly arranged between the left end wall and the right end wall of the lifting plate 37, an angle adjusting plate 41 is hinged to the angle adjusting shaft 40, an angle adjusting mechanism 95 is arranged in the angle adjusting plate 41, an iron net 39 is fixedly arranged at the upper end of the angle adjusting plate 41, a front baffle 38 is fixedly arranged at the front end of the angle adjusting plate 41, and bilateral symmetry adjusting fixing plates 82 are fixedly arranged at the lower end of, slide in the adjustment fixed plate 82 and be equipped with first connecting rod 43, the inner fixed fourth articulated shaft 58 that is equipped with of first connecting rod 43, the tight spout 57 of clamp that the inner chamber lower extreme of angle adjustment board 41 was equipped with bilateral symmetry, it is equipped with tight piece 42 to slide in the tight spout 57 of clamp, press from both sides tight piece 42 with first connecting rod 43 fixed connection, it is equipped with T type pole 44 to slide on the iron net 39, T type pole 44 lower extreme with it is equipped with second spring 61 to connect between the iron net 39 lower extreme, the fixed fifth articulated shaft 60 that is equipped with of T type pole 44 lower extreme, fourth articulated shaft 58 with it is equipped with second connecting rod 59 to articulate between the fifth articulated shaft 60.

Beneficially, the fixed dust screen 15 that is equipped with of air inlet case 12 lower extreme, air inlet chamber 81 contains in the air inlet case 12, be equipped with dust removal air supply mechanism 90 in the air inlet chamber 81, the fixed sound cotton 22 that inhales that is equipped with in air inlet chamber 81 upper end, the fixed support 13 that is equipped with between the end wall about the air inlet chamber 81, the fixed air inlet motor 18 that is equipped with on the support 13, the fixed friction ring 14 that is equipped with of support 13 lower extreme, the rotation of air inlet motor 18 lower extreme is equipped with air inlet motor shaft 19, air inlet motor shaft 19 from the top down is fixed flabellum 20, electrostatic friction piece 17 in proper order, electrostatic friction piece 17 can with the inner rotational friction of friction ring 14 produces static, air inlet case 12 with it is equipped with tuber pipe 21 to connect between.

The use steps herein are described in detail below with reference to fig. 1-5: when a student uses a notebook computer, the notebook computer is placed on the iron net 39, the notebook computer presses the T-shaped rod 44 downwards, the T-shaped rod 44 moves downwards to drive the inner side of the second connecting rod 59 to move downwards, the inner side of the second connecting rod 59 moves downwards to drive the first connecting rods 43 to slide in opposite directions, and the first connecting rods 43 slide in opposite directions to drive the clamping blocks 42 to slide in opposite directions to clamp the notebook computer, so that a fixing effect is achieved; if the use angle of the notebook computer needs to be adjusted, the angle adjusting plate 41 can be manually pulled up, the positioning rods 76 on the two sides of the angle adjusting plate 41 can be rotated, and the lower ends of the positioning rods 76 can be inserted into any one of the positioning grooves 75.

When the computer needs additionally to dispel the heat, air inlet motor 18 starts to drive air inlet motor shaft 19 rotates, air inlet motor shaft 19 rotates and drives flabellum 20 static friction block 17 rotates, flabellum 20 rotates and passes through the cold air the dust screen 15 filters the back, through tuber pipe 21 sends into in iron net 39 lower extreme, the air pocket entering notebook computer on the cold air current passes through iron net 39, reinforcing radiating effect, static friction block 17 rotate with friction ring 14 friction produces static, the tiny granule in the electrostatic absorption air current on the friction ring 14 further removes dust, guarantees that the dust can not be inhaled by notebook computer, inhale sound cotton 22 absorption part the noise that air inlet motor 18 produced.

When students do not need to use computers, the invention can quickly take the notebook computers into the desk, the power motor 35 is started to drive the power motor shaft 62 to rotate, the power motor shaft 62 rotates to drive the first bevel gear 63 and the second bevel gear 66 to rotate, the first bevel gear 63 rotates to drive the second bevel gear 66 to rotate, the second bevel gear 66 rotates to drive the bevel gear shaft 65 to rotate, the bevel gear shaft 65 rotates to drive the second belt pulley 64 to rotate, the second belt pulley 64 rotates to drive the first belt 45 to rotate, the first belt 45 rotates to drive the first belt pulley 46 to rotate, the first belt pulley 46 rotates to drive the first belt pulley 46, the first belt pulley 46 rotates to drive the cam shaft 47 to rotate, the cam shaft 47 rotates to drive the cam shaft 50 to rotate, and the cam shaft 50 rotates to make the second roller 52 move downwards, the second roller 52 moves downwards to contract the telescopic bracket 49 downwards, the telescopic bracket 49 contracts downwards to drive the third hinge shaft 56 to move downwards, the third hinge shaft 56 moves downwards to drive the lifting plate 37 to move downwards, the power motor shaft 62 rotates and drives the rope wheel shaft 33 to rotate after being shifted by the gearbox 34, the rope wheel shaft 33 rotates and drives the rope collecting wheel 32 to rotate, the rope collecting wheel 32 rotates and discharges the rope 31, the first sliding block 26 moves to the far end to the left under the action of the first spring 27, the sector gear 88 idles corresponding stroke and is meshed with the hydraulic rack bar 87, the sector gear 88 rotates and drives the hydraulic rack bar 87 to move upwards, the hydraulic rack bar 87 moves upwards to push hydraulic oil in the first hydraulic cavity 69 to enter the second hydraulic cylinder 71 through the oil pipe 70, hydraulic oil in the second hydraulic cylinder 71 upwards promotes second hydraulic slide 72 upwards moves, second hydraulic slide 72 upwards moves and drives push pedal 73 upwards moves, push pedal 73 upwards moves and promotes first slider 26 along L type spout 25 upwards moves, first slider 26 upwards moves and drives remove table 23 upwards moves, remove table 23 upwards moves and fills the breach behind lifter plate 37 descends and leaves, accomplishes notebook computer's receive and release function, when needing to use the computer, power motor 35 reversal drives remove table 23 descends and withdraws, lifter plate 37 rises.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dustproof heat dissipation table of notebook, includes the box, its characterized in that: the box body is internally provided with a control cavity; a table plate lifting mechanism is arranged in the control cavity, a supporting plate is fixedly arranged at the lower end of the control cavity, an air inlet partition plate is fixedly arranged between the upper end and the lower end of the control cavity, an air inlet box is fixedly arranged at the left end of the air inlet partition plate, front and rear symmetrical L-shaped blocks are fixedly arranged at the front and rear ends of the control cavity, an L-shaped chute is arranged on the L-shaped block, a first slide block is arranged in the L-shaped chute in a sliding manner, a first spring is connected between the right end of the first slide block and the right end of the control cavity, a movable table plate is fixedly arranged at the upper end of the first slide block, a vertical block, a second hydraulic cylinder, a first hydraulic cylinder, a chute fixing block, a power motor and a gearbox are fixedly arranged at the lower end of the control cavity from left to right in sequence, a power motor shaft is rotatably arranged at the, a rope wheel shaft is rotatably arranged at the right end of the gearbox, a rope collecting wheel is fixedly arranged at the right end of the rope wheel shaft, a first fixed block is fixedly arranged at the right end of the control cavity, a roller shaft is fixedly arranged on the first fixed block, a first roller is rotatably arranged on the roller shaft, a pull rope which bypasses the first roller is connected between the first sliding block and the rope collecting wheel, a rack bar sliding groove is arranged in the sliding groove fixed block, a hydraulic rack bar is slidably arranged in the rack bar sliding groove and can be meshed with the sector gear, a first hydraulic cavity is arranged in the first hydraulic cylinder and is filled with hydraulic oil, a first hydraulic sliding block is slidably arranged in the first hydraulic cavity, the lower end of the first hydraulic sliding block is fixedly connected with the hydraulic rack bar, and an oil pipe is connected between the second hydraulic cylinder and the first hydraulic cylinder, a second hydraulic sliding block is arranged in a cavity of the second hydraulic cylinder in a sliding mode, a push plate is fixedly arranged at the upper end of the second hydraulic sliding block, a bevel gear shaft is arranged on the rear end wall of the control cavity in a rotating mode, a second bevel gear and a second belt pulley are sequentially and fixedly arranged on the bevel gear shaft from front to back, the second bevel gear can be meshed with the first bevel gear, a cam shaft is arranged at the front end of the control cavity in a rotating mode, a first belt pulley and a cam shaft are sequentially and fixedly arranged on the cam shaft from front to back, a first belt is connected between the first belt pulley and the second belt pulley, a vertical sliding groove is formed in the front end of the vertical block, a vertical sliding block is arranged in the vertical sliding groove in a sliding mode, a first hinged shaft is fixedly arranged at the front end of the vertical block, a telescopic frame is hinged to the first hinged shaft, a second hinged shaft is hinged to the, rotate on the second articulated shaft and be equipped with the second gyro wheel, the camshaft rotates and to promote the second gyro wheel reciprocates, the articulated third articulated shaft that is equipped with in expansion bracket upper end, the control chamber rear end is equipped with the lift spout, it is equipped with the lifter plate to slide in the lift spout, the box upper end is equipped with the rectangle opening, the lifter plate can be followed stretch out in the rectangle opening, the lifter plate lower extreme with the third articulated shaft is articulated.

2. The dustproof heat dissipation table for the notebook computer according to claim 1, wherein: the lifting plate is internally provided with a positioning cavity, the lower end of the positioning cavity is provided with positioning blocks which are bilaterally symmetrical, the positioning blocks are provided with a plurality of positioning grooves, the upper end of the positioning cavity is fixedly provided with positioning fixed blocks and containing blocks which are bilaterally symmetrical, the positioning fixed blocks are fixedly provided with positioning shafts, the positioning shafts are hinged with positioning rods, the rear ends of the positioning rods can be clamped on the containing blocks, an angle adjusting shaft is fixedly arranged between the left end wall and the right end wall of the lifting plate, the angle adjusting shaft is hinged with an angle adjusting plate, an angle adjusting mechanism is arranged in the angle adjusting plate, the upper end of the angle adjusting plate is fixedly provided with an iron net, the front end of the angle adjusting plate is fixedly provided with a front baffle, the lower end of the inner cavity of the angle adjusting plate is fixedly provided with an adjusting fixed plate which is bilaterally symmetrical, the angle adjustment board inner chamber lower extreme is equipped with bilateral symmetry's tight spout of clamp, it is equipped with tight piece of clamp to slide in pressing from both sides tight spout, press from both sides tight piece with first connecting rod fixed connection, it is equipped with T type pole to slide on the iron net, T type pole lower extreme with it is equipped with the second spring to connect between the iron net lower extreme, T type pole lower extreme is fixed and is equipped with the fifth articulated shaft, the fourth articulated shaft with it is equipped with the second connecting rod to articulate between the fifth articulated shaft.

3. The dustproof heat dissipation table for the notebook computer according to claim 1, wherein: the fixed dust screen that is equipped with of air inlet case lower extreme, the air inlet chamber that contains in the air inlet case, the air inlet intracavity is equipped with dust removal air supply mechanism, the fixed sound cotton that inhales that is equipped with in air inlet chamber upper end, the fixed support that is equipped with between the end wall about the air inlet chamber, the fixed air inlet motor that is equipped with on the support, the fixed friction ring that is equipped with of support lower extreme, the rotation of air inlet motor lower extreme is equipped with the air inlet motor shaft, air inlet motor shaft from the top down is fixed flabellum, electrostatic friction piece in proper order, electrostatic friction piece can with friction ring inner end rotational friction produces static, the air inlet case with it is equipped with the tuber.